Oh i misunderstood your post ali!

I still don't really understand how it works, even after calling centrelink. I've gotten some more info though from the agency, it's an awful lot of paperwork.

Dh income last year is just under 100k because he took a salary sacrifice to acrue extra annual leave as i was sick, but that has just ended, as of next month it will be over 100k but less than 136k.

Centrelink told me once i've registered for CCB, the agency computer will link and they will know the percentage, if i have to pay anything... because i'm actually applying for the Special Childcare Benefit for in home care, which is not income tested. But can't access that until i've applied for CCB.

So complicated, but i'm getting there.